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Trichonephila clavata, also known as the Joro-spider (ジョロウグモ, Jorō-gumo), is a spider in the Trichonephila genus. Native to East Asia, it is found throughout China, Japan (except Hokkaidō), Korea, and Taiwan, and has been spreading across North America since the 2010s. It rarely bites humans, and its venom is not deadly.
The Giant Japanese funnel-web spider, known formally as Macrothele gigas, is a species of funnel-web spider in the family Macrothelidae. [1] It is one of the largest funnel-web spiders in the world, and is highly venomous.
According to Yoshimitsu (2005), this species and the Okinawan habu (Protobothrops flavoviridis), another pit viper, are the most venomous snakes in Japan. [6] The venom's lethality as measured by LD 50 in mice following intraperitoneal injection is in the range 0.3 mg/kg [12] to 1.22 mg/kg. [13]
Giant venomous flying spiders from Japan have made their way to the U.S. in recent years, and will likely infiltrate more states in 2024. Originally spotted in Georgia ten years ago, the arachnids ...
The theory behind the Joro spider's origin in the U.S. is that the venomous arachnids were unintentionally transported by way of cargo shipments, international trade and personal travel.
A number of spiders can cause spider bites that are medically important. Almost all spiders produce venom but only a few are able to cause significant harm to humans. [1] Two medically important spider genera have a worldwide distribution—Latrodectus and Loxosceles. Others have a limited distribution.
How quickly venomous flying spiders are invading the U.S. From 2014 to 2022, Joro spiders spread between 50 and 80 miles from the location where they were originally spotted. At around 10 miles ...
Araneus ventricosus is a nocturnal orb-weaver spider [2] found primarily in China, Japan, and Korea [3] that has been involved in numerous research studies and is easily identified by its nocturnal web-building behavior. [4] Araneus ventricosus' venom is effective against invertebrate prey, but its venom is ineffective in vertebrates. [5]